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