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