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