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