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