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