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