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