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