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