For record keeping purposes, record on your character sheet the result of the two die rolls you make during character generation (a 2d4 for chargen, and a 1d20 for stats+element).
Step 1 - Select the class you are aiming to play, you've already done this.
Step 2 - Stats.
You have 88+2d4 Chargen points.
Spend points as follows for each of Str, Dex, Con, Int, Wis, Cha:
To buy an 8, spend 8 chargen points.
To buy a 9, spend 9 chargen points.
To buy a 10, spend 10 chargen points.
To buy an 11, spend 11 chargen points.
To buy a 12, spend 12 chargen points.
To buy a 13, spend 13 chargen points.
To buy a 14, spend 14 chargen points.
To buy a 15, spend 16 chargen points.
To buy a 16, spend 19 chargen points.
To buy a 17, spend 22 chargen points.
To buy an 18, spend 26 chargen points.
Be sure your attributes qualify you for your chosen class! Secondarily, consider checking any feats you were eyeing to be sure that you'll be able to get them when you want them.
Once all six attributes have been permanently assigned, roll 1d20, and consult the following chart:
1- Increase Strength and Dexterity each by 1. Your element is fire.
2- Increase Strength and Charisma each by 1. Your element is fire.
3- Increase Strength and Intelligence each by 1. Your element is fire.
4- Increase Intelligence and Charisma each by 1. Your element is fire.
5- Increase Strength and Constitution each by 1. Your element is earth.
6- Increase Strength and Wisdom each by 1. Your element is earth.
7- Increase Intelligence and Wisdom each by 1. Your element is earth.
8- Increase Constitution and Wisdom each by 1. Your element is earth.
9- Increase Dexterity and Wisdom each by 1. Your element is water.
10- Increase Dexterity and Constitution each by 1. Your element is water.
11- Increase Constitution and Intelligence each by 1. Your element is water.
12- Increase Constitution and Charisma each by 1. Your element is water.
13- Increase Dexterity and Intelligence each by 1. Your element is air.
14- Increase Dexterity and Charisma each by 1. Your element is air.
15- Increase Wisdom and Charisma each by 1. Your element is air.
16- Increase your lowest score by 2, then increase your second lowest score by 1 (resolve tied attributes by random roll). Your element is air.
17- One of your elements is fire. Select a second element from: air, earth, water.
18- One of your elements is earth. Select a second element from: air, water, fire.
19- One of your elements is water. Select a second element from: air, earth, fire.
20- One of your elements is air. Select a second element from: earth, water, fire.
You now have an absolute point to spend on any stat you like.
Step 3- Choose your race. This will further modify your stats, as well as provide other racial abilities.
Step 4- Select a race trait:
http://www.d20pfsrd.com/traits/race-traitsIf none of the race traits apply to your vision of your character, please post in this thread and we will make an appropriate race trait for you.
Step 5- Select a social trait:
http://www.d20pfsrd.com/traits/social-traitsIf none of the social traits apply to you, I'll be surprised, but post in the thread and we'll figure something out.
Step 6- Allocate skills for a 1st level member of your race and class.
Step 7- Allocate feats for a 1st level member of your race and class.
At 1st level, you have maximum hit points for your hit die, plus your constitution modifier, plus any traits or feats or other shenanigans.
