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