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