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