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