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)(19,27)(20,21)(22,25)(23,24)(26,31)(28,29)(30,32)(34,38)(35,41)(36,44)(46,48)(1,2,5,6)(3,7,11,9)(4,8,14,12)(10,15,13,16)(18,24)(20,26)(25,27)(28,30)(33,34,37,38)(35,42,41,39)(36,40,44,45)(43,48,47,46)(2,6)(7,9)(8,12)(15,16)(17,19,23,22)(18,25,24,27)(20,30,26,28)(21,29,31,32)(33,34)(35,39)(36,40)(37,38)(41,42)(43,46)(44,45)(47,48)(1,2)(3,7)(4,12)(5,6)(8,14)(9,11)(10,16)(13,15)(17,20,23,26)(18,21,24,31)(19,28,22,30)(25,32,27,29)(33,35,37,41)(34,39,38,42)(36,43,44,47)(40,46,45,48)(1,3,5,11)(2,7,6,9)(4,13,14,10)(8,16,12,15)(17,21)(18,26)(19,29)(20,24)(22,32)(23,31)(25,28)(27,30)(33,36)(34,40)(35,43)(37,44)(38,45)(39,46)(41,47)(42,48)(1,4,5,14)(2,8,6,12)(3,10,11,13)(7,15,9,16)(17,22,23,19)(18,25,24,27)(20,28,26,30)(21,29,31,32)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.