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