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