Smite: Nocturne is a good Jungler but he needs smite to survive the jungle minions
Flash: Nocturne has no escape skill so better take Flash with you

Play much aggresive as you can so gank alot mid and top
Use your ult to gank bot so say your bot mates the have to go agressive and then
easy ult on bot

Let you Team fight and when all engage you must engage too with your ult
If your team wont engage at all u can easyly ult the enemy adc and your Team will follow

Start with BLue [Smiteless]
Go for Wraiths
Then take your Red. BUT DONT FORGET TO CHECK ALL RED BUSHES IF THE ENEMY JUNGLER COUNTER JUNGLES
Take your Golems
Then your wolves