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