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