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