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