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