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