One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,13,12)(11,15,16,14)(17,18,24,29)(19,25,30,31)(20,27,22,26)(21,23,28,32)(1,2,5,8)(3,4,7,6)(9,11,13,16)(10,14,12,15)(17,19)(18,25)(20,21)(22,28)(23,27)(24,30)(26,32)(29,31)(1,3)(2,6)(4,8)(5,7)(17,20,24,22)(18,26,29,27)(19,28,30,21)(23,31,32,25)(17,21,24,28)(18,23,29,32)(19,20,30,22)(25,27,31,26)(1,3)(2,4)(5,7)(6,8)(17,22,24,20)(18,27,29,26)(19,28,30,21)(23,31,32,25)(1,4)(2,7)(3,8)(5,6)(9,12,13,10)(11,15,16,14)(17,23)(18,28)(19,27)(20,31)(21,29)(22,25)(24,32)(26,30)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.