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)(11,12)(13,15)(14,16)(19,23)(21,24)(26,29)(27,31)(1,2,4,6)(3,5,8,7)(9,11)(10,14)(12,15)(13,16)(27,31)(30,32)(1,2)(3,5)(4,6)(7,8)(9,11,13,16)(10,14,15,12)(17,18,20,22)(19,21,23,24)(25,26,28,29)(27,30,31,32)(1,2)(3,5)(4,6)(7,8)(9,12)(10,11)(13,14)(15,16)(17,19)(18,21)(20,23)(22,24)(25,27,28,31)(26,30,29,32)(1,3)(2,5)(4,8)(6,7)(9,11)(10,12)(13,16)(14,15) 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.