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