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)(20,32,35,25)(21,26)(22,37)(23,27)(24,30)(29,43,45,42)(31,39)(33,47,34,41)(36,40)(38,44,46,48)(1,3,4,12,6,14,5,13)(2,7,9,11,10,16,8,15)(17,19,22,30,23,31,21,36)(18,24,26,28,27,40,37,39)(20,29,34,44,35,45,33,48)(25,38,41,42,32,46,47,43)(17,20,23,35)(18,25,27,32)(19,29,31,45)(21,33,22,34)(24,38,40,46)(26,41,37,47)(28,42,39,43)(30,44,36,48)(1,4,6,5)(2,8,10,9)(3,12,14,13)(7,15,16,11)(17,21,23,22)(18,26,27,37)(19,30,31,36)(20,33,35,34)(24,39,40,28)(25,41,32,47)(29,44,45,48)(38,43,46,42)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.