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