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