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