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