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