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