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