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