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