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