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