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