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