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