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)(20,31)(21,25)(22,26)(24,33)(28,35,42,39)(29,40,43,36)(32,44)(34,38)(37,45)(41,46,48,47)(17,19,22,30)(18,23,26,27)(20,28,33,42)(21,29,34,43)(24,35,31,39)(25,36,38,40)(32,41,45,48)(37,46,44,47)(1,3)(2,7)(4,12)(5,14)(6,13)(8,15)(9,11)(10,16)(17,20)(18,24,26,31)(19,28)(21,32)(22,33)(23,35,27,39)(25,37,38,44)(29,41)(30,42)(34,45)(36,46,40,47)(43,48)(1,4,6,5)(2,8,9,10)(3,12,13,14)(7,15,11,16)(17,21,22,34)(18,25,26,38)(19,29,30,43)(20,32,33,45)(23,36,27,40)(24,37,31,44)(28,41,42,48)(35,46,39,47)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.