One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8)(3,9,11,6)(4,7,12,14)(10,15,16,13)(17,18,22,28,21,25,20,24)(19,23,29,32,26,30,27,31)(33,34,37,41,36,40,43,47)(35,42,45,48,44,38,46,39)(1,3,5,11)(2,6,8,9)(4,10,12,16)(7,13,14,15)(17,19)(18,23)(20,27)(21,26)(22,29)(24,31)(25,30)(28,32)(33,35,43,46,36,44,37,45)(34,38,47,48,40,42,41,39)(4,12)(7,14)(10,16)(13,15)(17,18,21,25)(19,23,26,30)(20,28,22,24)(27,32,29,31)(33,35,36,44)(34,39,40,48)(37,46,43,45)(38,47,42,41)(1,4,5,12)(2,7,8,14)(3,10,11,16)(6,13,9,15)(19,26)(23,30)(27,29)(31,32)(35,44)(38,42)(39,48)(45,46)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.