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)(19,25)(20,28)(21,23)(22,27)(24,30)(26,32)(29,31)(33,34)(35,41)(36,44)(37,39)(38,42)(40,46)(43,48)(45,47)(1,3,6,13)(2,7,9,15)(4,12,5,11)(8,16,14,10)(17,19,21,26)(18,22,23,31)(20,29,30,27)(24,32,28,25)(20,30)(24,28)(25,32)(27,29)(33,35,37,43)(34,38,39,47)(36,45,46,42)(40,48,44,41)(1,4,6,5)(2,8,9,14)(3,11,13,12)(7,10,15,16)(18,23)(19,26)(24,28)(27,29)(34,39)(38,47)(40,44)(41,48)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.