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