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