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