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