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