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