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