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