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