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