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