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