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