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