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