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