The confirmed venue for SAICSIT2016 is the School of Hotel and Tourism located at the University of Johannesburg Auckland Park Bunting Road (APB) campus. Directions to the venue can be found here.
There are a large number of guest houses located around the conference venue that will suit a variety of tastes and requirements. These are suggestions, you can find more options by using other accommodation sites.
You can travel to the conference venue from Pretoria or the airport by using the Gautrain. See the schedule here. At Park station you can use Rea Vaya buses to transport you to the Milpark bus stop, which is close to the conference venue.
You can make use of UBER to travel to and from the conference venue.