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