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