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