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