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