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