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