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