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