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