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