1. You can still enjoy summer
2. You still have a social life
3. You won't even understand the term "sleep deprivation."
4. You won't have to worry about the phrases "TGIF", "Hump Day", or "I hate Mondays" for a while.
5. You have time to figure out what you really want to do.
6. You need some down time after all that studying.
7. Take the time to network
8. You can still enjoy your youth and freedom.
9. You get to perfect yourself.
But getting a job right away isn't all bad. If you do decide to jump straight into your career, just remember to not work yourself to death, so you can maintain your sanity, and learn everything you can. It'll definitely benefit you in the long run.