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