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