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