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