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