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