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