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