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