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