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