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