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