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