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)(11,16)(12,14)(13,15)(18,22)(19,20)(26,30)(28,31)(1,2)(3,6)(4,5)(7,8)(9,11)(10,12)(13,14)(15,16)(17,18)(19,24)(20,23)(21,22)(26,30)(27,32) involution — undirected(2,5)(6,8)(11,14)(12,16)(17,19,21,20)(18,23,22,24)(25,26)(27,31)(28,32)(29,30)(1,3,4,7)(2,6,5,8)(9,10)(11,16)(12,14)(13,15)(17,20,21,19)(18,23,22,24)(25,27,29,32)(26,31,30,28)(1,2)(3,6)(4,5)(7,8)(9,12,13,16)(10,14,15,11)(17,18)(19,24)(20,23)(21,22)(25,28,29,31)(26,32,30,27)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.