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