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