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