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