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