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