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