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