Hi,
Unfortunately there is no digitizer replacement guide on ifixit for your tablet.
However there are the ifixit [[Topic:Digiland DL1168A]] guides which should help with opening the tablet so that access to the digitizer is possible.
Also this [https://www.youtube.com/watch?v=s4su5ju0tsc|video] guide on how to replace the digitzer for a generic brand tablet may also be useful as mostly it is the same procedure.
Hopefully a start.