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