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