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