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