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