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