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