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