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)(19,22)(20,23)(21,25)(24,28)(26,30)(27,31)(29,32)(1,2)(3,7)(4,6)(5,8)(9,10)(11,16)(12,14)(13,15)(17,19,21,26)(18,22,25,30)(20,27,28,32)(23,31,24,29)(1,3,4,8)(2,5,6,7)(9,11,13,12)(10,14,15,16)(18,23)(19,26)(20,28)(22,29)(24,25)(30,31)(9,12,13,11)(10,14,15,16)(2,6)(5,7)(19,26)(22,30)(27,32)(29,31) 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.