How do I get put on the graduation list?
Instructions for how to apply for graduation are available at https://tutorials.lionpath.psu.edu/public/S_ApplyGrad/.
Do I get my diploma at commencement?
Diplomas are mailed after commencement. See http://www.registrar.psu.edu/graduation/diploma_distribution.cfm for more information.
Do I need to have everything on my audit marked satisfied before I apply for graduation?
No, your degree audit is not checked at the time you apply for graduation - when you apply, you are just putting your name on a list. After the intent to graduate activation period ends, college and department staff start checking through the list of students who have applied to see whether everything on their audits is satisfied. It is much easier for both the staff and you if you have everything on your audit marked satisfied either by the end of the intent to graduate period or very soon after it ends. You will not be able to graduate if you still have requirements on your audit marked unsatisfied at the time final graduation checks are done.