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