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