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