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)(17,18,22,27,23,28,31,32)(19,29,21,26,30,24,25,20)(1,3,5,8)(2,6,4,7)(9,10)(11,15)(12,14)(13,16)(17,19)(18,24)(20,27)(21,22)(23,30)(25,31)(26,32)(28,29)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(17,20,23,26)(18,25,28,21)(19,27,30,32)(22,24,31,29)(1,4,5,2)(3,6,8,7)(11,16)(13,15)(17,21,23,25)(18,26,28,20)(19,22,30,31)(24,32,29,27)(10,14)(13,15)(17,22,23,31)(18,27,28,32)(19,25,30,21)(20,24,26,29)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.