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