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