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