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