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