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