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