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