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