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