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