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