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