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