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