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