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