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