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