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