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