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