Essentially, it does go to the graveyard, but instantaneously disappears.
This means that if you had a card that says "destroy target nonland permanent" and another card that says "when target permanent dies, instead of sending it to the graveyard, return it to play under its owner's control" attached to the token, it would get returned to play. However, when it is destroyed, you It also cannot use an instant to return it to the battlefield as said in the comments.
Note: it is instantaneously removed from play, not sent into exile.
Fresh Meat, however, does work in this case: whether or not the token creature is in the graveyard right now, it was technically sent into the graveyard. Because Fresh Meat does not require you to return it, there is nothing wrong with placing a 3/3 token onto the battlefield for it.