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