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