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