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