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