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