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