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