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