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