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