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