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