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