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)(17,18,21,22)(19,23,27,25)(20,24,29,30)(26,31,28,32)(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)(17,18,21,22)(19,25,27,23)(20,24,29,30)(26,32,28,31)(33,35,40,39)(34,41,44,38)(36,45,37,47)(42,46,43,48)(3,5)(8,9)(11,13)(15,16)(18,22)(23,25)(24,30)(31,32)(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)(17,19)(18,23)(20,28)(21,27)(22,25)(24,32)(26,29)(30,31)(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)(17,18)(19,23)(20,24)(21,22)(25,27)(26,31)(28,32)(29,30)(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)(17,20,21,29)(18,24,22,30)(19,26,27,28)(23,31,25,32)(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.