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