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