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