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