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