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