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