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