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