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