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