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)(35,40)(36,37)(38,47)(39,43)(41,46)(42,44)(45,48)(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)(33,35,39,45)(34,40,43,48)(36,44,46,38)(37,42,41,47)(17,20,22,30)(18,24,26,28)(19,27,25,32)(21,29,23,31)(33,36,39,46)(34,41,43,37)(35,38,45,44)(40,42,48,47)(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)(34,37)(35,44)(38,45)(39,46)(40,42)(41,43)(47,48)(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)(34,36)(35,42)(38,48)(39,41)(40,44)(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)(33,38,39,44)(34,42,43,47)(35,36,45,46)(37,40,41,48)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.