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