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