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