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