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