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