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