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