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