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