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