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