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