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