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