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