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