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