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