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