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)(19,23)(20,24)(21,34)(22,25)(26,31)(27,32)(28,36)(29,35)(30,44)(33,39)(37,43)(38,42)(40,45)(41,46)(47,48) involution — undirected(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)(31,43)(32,42)(33,41)(34,44)(39,46)(40,47)(45,48)(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)(29,43)(30,42)(33,45)(34,40)(36,46)(37,38)(41,48)(44,47)(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)(29,41)(30,42)(43,48)(2,10)(7,11)(8,9)(15,16)(19,28)(23,36)(29,41)(30,42)(35,46)(37,47)(38,44)(43,48) 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.