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