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