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