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