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