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