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