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