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