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