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