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