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