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