The tips I would give are to make sure you are very upbeat and understand what you are applying for
Ask the manager who is interviewing you for the job about their management style.
Be open, have clear visions about your ambitions/career path, get to know ADP as an employer.
Don't. Truly, it's the most boring job ever on top of being managed poorly.
Be honest and up front.
They do a very thorough background check, so make sure your information is as accurate as possible.