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)(19,28)(20,26)(21,25)(22,24)(23,27)(29,31)(30,32)(33,34,37,40)(35,41,43,38)(36,44,45,39)(42,46,48,47)(1,3,7,4)(2,8,12,9)(5,15,11,13)(6,14,10,16)(17,19,23,22)(18,24,27,28)(20,29,21,30)(25,31,26,32)(33,35,37,43)(34,38,40,41)(36,42,45,48)(39,46,44,47)(17,20,23,21)(18,25,27,26)(19,29,22,30)(24,31,28,32)(33,34)(35,41)(36,39)(37,40)(38,43)(42,47)(44,45)(46,48)(1,4,7,3)(2,9,12,8)(5,15,11,13)(6,14,10,16)(17,21,23,20)(18,26,27,25)(19,29,22,30)(24,31,28,32)(33,34)(35,41)(36,39)(37,40)(38,43)(42,47)(44,45)(46,48)(1,5,7,11)(2,10,12,6)(3,13,4,15)(8,14,9,16)(17,18)(19,28)(20,25)(21,26)(22,24)(23,27)(29,32)(30,31)(33,36,37,45)(34,39,40,44)(35,42,43,48)(38,46,41,47)(1,6,7,10)(2,11,12,5)(3,14,4,16)(8,13,9,15)(17,22,23,19)(18,24,27,28)(20,30,21,29)(25,31,26,32)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.