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