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