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)(17,18,23,27)(19,28,22,24)(20,26,21,25)(29,31,30,32)(33,34,38,41)(35,36,39,44)(37,40,46,48)(42,43,45,47)(1,2,6,4)(3,9,11,7)(5,12,13,8)(10,14,16,15)(17,19,23,22)(18,24,27,28)(20,29,21,30)(25,31,26,32)(33,35,38,39)(34,36,41,44)(37,45,46,42)(40,47,48,43)(2,4)(7,9)(8,12)(14,15)(17,20,23,21)(18,25,27,26)(19,29,22,30)(24,31,28,32)(33,36,38,44)(34,39,41,35)(37,43,46,47)(40,45,48,42)(1,3,6,11)(2,7,4,9)(5,10,13,16)(8,14,12,15)(17,21,23,20)(18,26,27,25)(19,29,22,30)(24,31,28,32)(33,35)(34,36)(37,42)(38,39)(40,43)(41,44)(45,46)(47,48)(1,4,6,2)(3,9,11,7)(5,12,13,8)(10,15,16,14)(17,22,23,19)(18,24,27,28)(20,29,21,30)(25,32,26,31)(33,36)(34,39)(35,41)(37,43)(38,44)(40,45)(42,48)(46,47)(1,5,6,13)(2,8,4,12)(3,10,11,16)(7,14,9,15)(17,18)(19,28)(20,25)(21,26)(22,24)(23,27)(29,32)(30,31)(33,37)(34,40)(35,42)(36,43)(38,46)(39,45)(41,48)(44,47)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.