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