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