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