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