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