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