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