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