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