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