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