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