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