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