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