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