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