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