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)(11,15)(12,13)(14,16)(17,18,22,20)(19,23,24,21)(26,28)(27,32)(3,8)(5,7)(9,11)(10,14)(12,15)(13,16)(17,19,22,24)(18,23,20,21)(25,26,30,28)(27,29,32,31)(11,16)(14,15)(18,20)(19,24)(25,27,30,32)(26,31,28,29)(1,3)(2,5)(4,8)(6,7)(9,11)(10,15)(12,14)(13,16)(17,20,22,18)(19,23,24,21)(25,28,30,26)(27,29,32,31)(1,2)(3,5)(4,6)(7,8)(9,12,13,10)(11,14,16,15)(17,21,22,23)(18,24,20,19)(25,29)(26,27)(28,32)(30,31)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.