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