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