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