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