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