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