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