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