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