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