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