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