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