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