The bus that returns from DD stops at HH first on it's way into the resort. The bus marquee is usually marked "Internal". Get on that bus and it usually goes to the Miller Road stop next (sometimes it goes to Peninsular, South Point and Old Turtle Pond before Miller) and then stops at the other areas before returning to HH on it's way back to DD.
Otherwise, you can walk to the Peninsular Road stop (just across the bridge from Olivia's) and catch the next bus (any bus will do). The bus will then continue on to South Point, Old Turtle Pond and then Miller Road - before stopping at HH on it's way out of the resort.
If you have any doubt about the route for the bus, just ask the driver (of ANY bus) and they'll be happy to assist.
Enjoy!