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