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