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