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