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