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