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