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