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