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