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