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