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