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