One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,14,12)(11,16,13,15)(17,18)(19,22)(20,23)(21,24)(25,27)(26,29)(28,30)(31,32)(1,2,5,7)(3,4,8,6)(18,19)(21,29)(23,25)(28,32)(1,3,5,8)(2,6,7,4)(9,11,14,13)(10,15,12,16)(20,27)(23,25)(28,32)(30,31)(1,3,5,8)(2,6,7,4)(9,11,14,13)(10,16,12,15)(17,19,22,18)(20,23,27,25)(21,26,29,24)(28,30,32,31)(1,3)(2,4)(5,8)(6,7)(9,12,14,10)(11,16,13,15)(17,20)(18,23)(19,25)(21,28)(22,27)(24,30)(26,31)(29,32)(1,4)(2,3)(5,6)(7,8)(9,13,14,11)(10,16,12,15)(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32)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.