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