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