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)(17,18,20,22)(19,21,23,24)(25,26)(27,28)(29,32)(30,31)(2,7)(5,8)(11,16)(13,15)(17,19,20,23)(18,21,22,24)(25,27,29,31)(26,30,32,28)(1,3,6,4)(2,8,7,5)(9,10)(11,13)(12,14)(15,16)(17,18)(19,21)(20,22)(23,24)(25,28,29,30)(26,27,32,31)(1,4,6,3)(2,5,7,8)(9,11)(10,13)(12,16)(14,15)(17,19)(18,21)(20,23)(22,24)(25,26)(27,28)(29,32)(30,31)(1,5)(2,4)(3,7)(6,8)(9,10)(11,13)(12,14)(15,16)(17,18)(19,21)(20,22)(23,24)(25,28)(26,31)(27,32)(29,30) 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.