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