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