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