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