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