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