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)(17,18,22,26,21,24,20,25)(19,27,28,23,30,32,29,31)(1,2)(3,4)(9,11,13,12)(10,14,16,15)(17,19)(18,23)(20,28)(21,30)(22,29)(24,31)(25,32)(26,27)(2,4)(5,7,8,6)(9,11,13,12)(10,15,16,14)(18,24)(23,31)(25,26)(27,32)(9,12,13,11)(10,14,16,15)(18,25)(19,28)(20,22)(23,31)(24,26)(29,30)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.