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