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