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