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