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