I was experiencing the same problem. What i did was i went to my settings, then to accounts and sync. I them removed the facebook sync. Then i went back and added the facebook sync. After i went through the set up process, i returned back to the contacts and my facebook contacts appeared. Please note i think if you are in a bad service area this may effect the syncing. Also sometimes facebook is slow, so if it doesn't work the first time try at another time. Ever since i resynced my facebook account it has showed up in my contacts. I hope this will help anyone who has been experiencing the same problem. Also give it a few minutes to sync everything up. Depending on how many facebook friends you have it may take a few minutes.