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