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