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