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