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