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