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