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