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