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