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