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