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