Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
This is how I build jungle Shaco. I start at the golem, putting a JitB to the entrance of the jungle, so I will be warned if the enemy tries to gank me. After the first one, I put some in front of the golem camp. When it spawns, I just run to the back of it, hit it some and then smite it. After golem I go to the wolves, then the wraiths, lizard and finish the circle with the 2 little golems. This is when I get to level 4 and put a point on decieve so I can gank with it.
I like to get Banshee's Veil midgame because it adds teamfight presence to Shaco (without it, you die in seconds), and it also makes pushing safe (you should always try to push or backdoor turrets when playing Shaco).