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