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