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