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