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