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