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