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