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