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