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