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