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