1. Build an open roof gazebo around it.
2. Camouflage netting.
Code:
http://www.dishcamo.com/dishcamo.htm
3. Make it look like a garden umbrella.
4. Install it inside facing through a South facing window, you will have to replace the glass with plexiglass as some new window glass has an IR/UV film inside. (double pane)
5. Dig a pit big enough for the dish to see the satellites and big enough for it.
6. Paint it to look like the house or garden.