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