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