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