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)(19,25)(20,21)(22,26)(23,24)(27,32)(28,29)(30,31)(33,34,39,40)(35,41,36,38)(37,45,47,42)(43,46,44,48)(1,3,7,10)(2,8,4,6)(5,13,15,11)(9,14,12,16)(18,24)(21,25)(26,31)(29,32)(34,40)(35,36)(42,45)(43,44)(3,10)(6,8)(11,13)(14,16)(17,19,23,20)(18,25,24,21)(22,28,30,27)(26,29,31,32)(33,35,39,36)(34,38,40,41)(37,43,47,44)(42,46,45,48)(1,4,7,2)(3,6,10,8)(5,9,15,12)(11,16,13,14)(17,20,23,19)(18,25,24,21)(22,28,30,27)(26,32,31,29)(33,36,39,35)(34,41,40,38)(37,44,47,43)(42,48,45,46)(1,5)(2,9)(3,11)(4,12)(6,14)(7,15)(8,16)(10,13)(17,21,23,25)(18,20,24,19)(22,29,30,32)(26,28,31,27)(33,37,39,47)(34,42,40,45)(35,43,36,44)(38,46,41,48)(1,6)(2,3)(4,10)(5,14)(7,8)(9,11)(12,13)(15,16)(17,22,23,30)(18,26,24,31)(19,27,20,28)(21,29,25,32)(33,38,39,41)(34,35,40,36)(37,46,47,48)(42,43,45,44)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.