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