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