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