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