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