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