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