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