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