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