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