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