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