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