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