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