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