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