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