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