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